| /* TextLayout.java -- |
| Copyright (C) 2003, 2004 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package java.awt.font; |
| |
| import gnu.java.awt.ClasspathToolkit; |
| import gnu.java.awt.peer.ClasspathTextLayoutPeer; |
| |
| import java.awt.Font; |
| import java.awt.Graphics2D; |
| import java.awt.Shape; |
| import java.awt.Toolkit; |
| import java.awt.geom.AffineTransform; |
| import java.awt.geom.Rectangle2D; |
| import java.text.AttributedCharacterIterator; |
| import java.text.AttributedString; |
| import java.util.Map; |
| |
| /** |
| * @author Michael Koch |
| */ |
| public final class TextLayout implements Cloneable |
| { |
| public static final CaretPolicy DEFAULT_CARET_POLICY = new CaretPolicy (); |
| ClasspathTextLayoutPeer peer; |
| |
| public static class CaretPolicy |
| { |
| public CaretPolicy () |
| { |
| // Do nothing here. |
| } |
| |
| public TextHitInfo getStrongCaret (TextHitInfo hit1, TextHitInfo hit2, |
| TextLayout layout) |
| { |
| return layout.peer.getStrongCaret(hit1, hit2); |
| } |
| } |
| |
| public TextLayout (AttributedCharacterIterator text, FontRenderContext frc) |
| { |
| AttributedString as = new AttributedString (text); |
| ClasspathToolkit tk = (ClasspathToolkit)(Toolkit.getDefaultToolkit ()); |
| peer = tk.getClasspathTextLayoutPeer(as, frc); |
| } |
| |
| public TextLayout (String string, Font font, FontRenderContext frc) |
| { |
| AttributedString as = new AttributedString (string); |
| as.addAttribute (TextAttribute.FONT, font); |
| ClasspathToolkit tk = (ClasspathToolkit)(Toolkit.getDefaultToolkit ()); |
| peer = tk.getClasspathTextLayoutPeer(as, frc); |
| } |
| |
| public TextLayout (String string, Map attributes, FontRenderContext frc) |
| { |
| AttributedString as = new AttributedString (string, attributes); |
| ClasspathToolkit tk = (ClasspathToolkit)(Toolkit.getDefaultToolkit ()); |
| peer = tk.getClasspathTextLayoutPeer(as, frc); |
| } |
| |
| protected Object clone () |
| { |
| try |
| { |
| TextLayout tl = (TextLayout) super.clone (); |
| tl.peer = (ClasspathTextLayoutPeer) this.peer.clone(); |
| return tl; |
| } |
| catch (CloneNotSupportedException e) |
| { |
| // This should never occur |
| throw new InternalError (); |
| } |
| } |
| |
| |
| public void draw (Graphics2D g2, float x, float y) |
| { |
| peer.draw(g2, x, y); |
| } |
| |
| public boolean equals (Object obj) |
| { |
| if (! (obj instanceof TextLayout)) |
| return false; |
| |
| return equals ((TextLayout) obj); |
| } |
| |
| public boolean equals (TextLayout tl) |
| { |
| return this.peer.equals(tl.peer); |
| } |
| |
| public float getAdvance () |
| { |
| return peer.getAdvance(); |
| } |
| |
| public float getAscent () |
| { |
| return peer.getAscent(); |
| } |
| |
| public byte getBaseline () |
| { |
| return peer.getBaseline(); |
| } |
| |
| public float[] getBaselineOffsets () |
| { |
| return peer.getBaselineOffsets(); |
| } |
| |
| public Shape getBlackBoxBounds (int firstEndpoint, int secondEndpoint) |
| { |
| return peer.getBlackBoxBounds(firstEndpoint, secondEndpoint); |
| } |
| |
| public Rectangle2D getBounds() |
| { |
| return peer.getBounds(); |
| } |
| |
| public float[] getCaretInfo (TextHitInfo hit) |
| { |
| return getCaretInfo(hit, getBounds()); |
| } |
| |
| public float[] getCaretInfo (TextHitInfo hit, Rectangle2D bounds) |
| { |
| return peer.getCaretInfo(hit, bounds); |
| } |
| |
| public Shape getCaretShape (TextHitInfo hit) |
| { |
| return getCaretShape(hit, getBounds()); |
| } |
| |
| public Shape getCaretShape (TextHitInfo hit, Rectangle2D bounds) |
| { |
| return peer.getCaretShape(hit, bounds); |
| } |
| |
| public Shape[] getCaretShapes (int offset) |
| { |
| return getCaretShapes(offset, getBounds()); |
| } |
| |
| public Shape[] getCaretShapes (int offset, Rectangle2D bounds) |
| { |
| return getCaretShapes(offset, getBounds(), DEFAULT_CARET_POLICY); |
| } |
| |
| public Shape[] getCaretShapes (int offset, Rectangle2D bounds, |
| TextLayout.CaretPolicy policy) |
| { |
| return peer.getCaretShapes(offset, bounds, policy); |
| } |
| |
| public int getCharacterCount () |
| { |
| return peer.getCharacterCount(); |
| } |
| |
| public byte getCharacterLevel (int index) |
| { |
| return peer.getCharacterLevel(index); |
| } |
| |
| public float getDescent () |
| { |
| return peer.getDescent(); |
| } |
| |
| public TextLayout getJustifiedLayout (float justificationWidth) |
| { |
| return peer.getJustifiedLayout(justificationWidth); |
| } |
| |
| public float getLeading () |
| { |
| return peer.getLeading(); |
| } |
| |
| public Shape getLogicalHighlightShape (int firstEndpoint, int secondEndpoint) |
| { |
| return getLogicalHighlightShape (firstEndpoint, secondEndpoint, getBounds()); |
| } |
| |
| public Shape getLogicalHighlightShape (int firstEndpoint, int secondEndpoint, |
| Rectangle2D bounds) |
| { |
| return peer.getLogicalHighlightShape(firstEndpoint, secondEndpoint, bounds); |
| } |
| |
| public int[] getLogicalRangesForVisualSelection (TextHitInfo firstEndpoint, |
| TextHitInfo secondEndpoint) |
| { |
| return peer.getLogicalRangesForVisualSelection(firstEndpoint, secondEndpoint); |
| } |
| |
| public TextHitInfo getNextLeftHit (int offset) |
| { |
| return getNextLeftHit(offset, DEFAULT_CARET_POLICY); |
| } |
| |
| public TextHitInfo getNextLeftHit (int offset, TextLayout.CaretPolicy policy) |
| { |
| return peer.getNextLeftHit(offset, policy); |
| } |
| |
| public TextHitInfo getNextLeftHit (TextHitInfo hit) |
| { |
| return getNextLeftHit(hit.getCharIndex()); |
| } |
| |
| public TextHitInfo getNextRightHit (int offset) |
| { |
| return getNextRightHit(offset, DEFAULT_CARET_POLICY); |
| } |
| |
| public TextHitInfo getNextRightHit (int offset, TextLayout.CaretPolicy policy) |
| { |
| return peer.getNextRightHit(offset, policy); |
| } |
| |
| public TextHitInfo getNextRightHit (TextHitInfo hit) |
| { |
| return getNextRightHit(hit.getCharIndex()); |
| } |
| |
| public Shape getOutline (AffineTransform tx) |
| { |
| return peer.getOutline(tx); |
| } |
| |
| public float getVisibleAdvance () |
| { |
| return peer.getVisibleAdvance(); |
| } |
| |
| public Shape getVisualHighlightShape (TextHitInfo firstEndpoint, |
| TextHitInfo secondEndpoint) |
| { |
| return getVisualHighlightShape(firstEndpoint, secondEndpoint, getBounds()); |
| } |
| |
| public Shape getVisualHighlightShape (TextHitInfo firstEndpoint, |
| TextHitInfo secondEndpoint, |
| Rectangle2D bounds) |
| { |
| return peer.getVisualHighlightShape(firstEndpoint, secondEndpoint, bounds); |
| } |
| |
| public TextHitInfo getVisualOtherHit (TextHitInfo hit) |
| { |
| return peer.getVisualOtherHit(hit); |
| } |
| |
| protected void handleJustify (float justificationWidth) |
| { |
| peer.handleJustify(justificationWidth); |
| } |
| |
| public int hashCode () |
| { |
| return peer.hashCode(); |
| } |
| |
| public TextHitInfo hitTestChar (float x, float y) |
| { |
| return hitTestChar(x, y, getBounds()); |
| } |
| |
| public TextHitInfo hitTestChar (float x, float y, Rectangle2D bounds) |
| { |
| return peer.hitTestChar(x, y, bounds); |
| } |
| |
| public boolean isLeftToRight () |
| { |
| return peer.isLeftToRight(); |
| } |
| |
| public boolean isVertical () |
| { |
| return peer.isVertical(); |
| } |
| |
| public String toString () |
| { |
| return peer.toString(); |
| } |
| } |